A student found that bad odours were coming out of his younger brother’s mouth. He advised his younger brother not to eat sweet-tasting foods and chocolates. He also told him to brush his teeth two times every day, in the morning and at night after dinner using fluoride toothpaste.
(b) How do cavities are formed in our teeth?

Open in App

Solution

Cavity formation:
Cavities are formed when there is a breakdown of the outer, calcified enamel of the tooth by bacteria which is found in the human mouth.
The bacteria stick to the teeth and turn into a hard substance called dental plaque or calculus, which deposits on the teeth.

Suggest Corrections

Similar questions

217. A student found that bad odours were coming out of his younger brother’s mouth. He advised his younger brother not to eat sweet–tasting foods and chocolates. He also told him to brush his teeth two times everyday, in the morning and at night after dinner using fluoride toothpaste.

(a) Why is bad odour produced in our mouth after eating sweet – tasting foods and chocolates?

217. A student found that bad odours were coming out of his younger brother’s mouth. He advised his younger brother not to eat sweet-tasting foods and chocolates. He also told him to brush his teeth two times everyday, in the morning and at night after dinner using fluoride toothpaste.

(d) What values did the student display by telling his brother not to eat sweet- tasting foods and to brush his teeth twice everyday using a fluoride toothpaste?

Q. Soham is 6 years old. He was playing in the garden. One of his teeth fell as he dashed a pillar. He started crying because he was hurt. He also felt that his teeth will never come back and he will not be able to eat chocolates. How will you console him?

a boy is fond of eating sweets and his father adviced him to brush his teeth after eating them. what is the reason?

Join BYJU'S Learning Program

Cavity formation:Cavities are formed when there is a breakdown of the outer, calcified enamel of the tooth by bacteria which is found in the human mouth.The bacteria stick to the teeth and turn into a hard substance called dental plaque or calculus, which deposits on the teeth.

Cavity formation:
Cavities are formed when there is a breakdown of the outer, calcified enamel of the tooth by bacteria which is found in the human mouth.
The bacteria stick to the teeth and turn into a hard substance called dental plaque or calculus, which deposits on the teeth.